Opto-physiological monitoring, multi-wavelength illumination,: History
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Opto-physiological monitoring (OPM) considers biological tissue  as a set of optical media, study how light interacts within biological tissue, where the optical properties of the latter reflect the mechanical, physical and biochemical functions of the living organism. OPM includes optoelectronic sensor based contact monitoring and image sensor based remote monitoring.

  • Opto-physiological monitoring
  • multi-wavelength illumination
  • mutliplexed driver
  • demultiplexed signals
  • pulsatile waveform
  • contact optoelectronic sensor
  • non-contact imaging photoplethysmography

Dr Sijung Hu is the Leader of Photonics Engineering Research Group, and Reader in Biomedical Engineering, Loughborough University, UK. After being awarded a PhD at Loughborough University in 2000, Sijung was invited to join Kalibrant Ltd as a Senior Scientist for R&D in vitro diagnostics instrumentation. Sijung joined the Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University as a research fellow in 2002 and sensor research fellow in 2006. Sijung has contributed in Photonics based Biomedical Engineering with creation of Opto-physiological monitoring and assessment that was recognized as a milestone in worldwide pulse oximetry research in 2008 by Drexel University, USA (http://www.pages.drexel.edu), and non-contact vital signs monitoring/imaging photoplethysmography (iPPG) was included in  NASA’s Future of Emergency Care (NASA/TM-2011-216145), and an innovative optoelectronic sensor (Carelight) was highlighted in Atlas of Science 2015 (atlasofscience.org/tag/carelight) with the potential for commercialization worldwide.

Sijung has successfully supervised 23 completed PhDs (2002–2019) with very satisfactory outcomes of original research reflecting in major leading journal publications (Google citations >6000). Five completed senior scholars’ supervision for four biomedical engineering projects; eight on-going PhDs supervision with the research topics covering the range of from in vivo physiological monitoring to in vitro diagnosis POC device manufacturing and dynamic breathy pressure sensing.

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